Universal Parts 4" Split Rim, 3-Spoke 3-Bolt | 6000 Bearing

Replace or upgrade a 4-inch wheel on your mini bike, go-kart, or 50cc scooter with this Universal Parts split aluminum rim. Two-piece split design allows the rim halves to separate for easy tube-type tire installation without a tire machine. Durable alloy construction with a 3-spoke hub, deep drop-center channel, and a pre-installed red-sealed 6000 bearing. Single-sided hub with three bolt holes at 34mm center spacing — compatible with sprocket or disc brake mounting depending on application. Sold as 1 rim — tire and tube not included.

Features

• Two-piece split rim design — halves separate for tube-type tire mounting without a tire machine
• Durable aluminum alloy 3-spoke construction with deep drop-center channel
• Pre-installed red-sealed 6000 bearing in center bore
• Single-sided 3-bolt hub flange, 34mm bolt hole spacing — sprocket or disc brake compatible
• Fits multiple tire sizes: 3.00-4, 3.50-4 (9x3.50-4), 4.10-4, 4.10/3.50-4
• Sold as 1 rim — tire and tube not included

Specifications

• Rim diameter: 4" (outer diameter: 122mm / 4.8")
• Construction: Two-piece split rim (tube-type)
• Hub pattern: 3-spoke, 3-bolt, single-sided
• Bolt hole spacing: 34mm (center-to-center)
• Hub mount: Sprocket or disc brake compatible
• Bearing: 6000 (pre-installed, red sealed)
• Material: Aluminum alloy
• Compatible tire sizes: 3.00-4, 3.50-4 (9x3.50-4), 4.10-4, 4.10/3.50-4
• SKU: 450690
• Brand: Universal Parts
• Quantity: 1 rim

Common Applications

Split rims require a tube-type tire. Verify axle bore diameter, bolt pattern, and sprocket/disc brake compatibility before ordering. This rim uses a 6000 bearing — confirm your axle shaft diameter matches before purchase.

Model Fitment

Universal 4" split rim for mini bikes, go-karts, 50cc scooters, and small-format ATVs. Verify axle bore and bolt pattern before ordering.